Helicopter
Helicopters were an airborne transport of Earth origin.
UNIT troops used a helicopter to rescue the Second Doctor's party from the International Electromatics factory. (DW: The Invasion)
John Hart telephoned for an air sea rescue helicopter to be sent out to find the Third Doctor and Jo Grant. (DW: The Sea Devils)
The Fourth Doctor and Sarah Jane Smith travelled to Antarctica in a helicopter. (DW: The Seeds of Doom)
On another occasion, while investigating the cause of the disappearance of an oil rig, Sarah was in a helicopter that ditched in the North Sea. (TVC: The Sinister Sea)
Flight Lieutenant Lavel piloted a helicopter to transport Brigadier Lethbridge-Stewart. It was shot down by Morgaine. (DW: Battlefield)
Henry van Statten had a personal helicopter called Bad Wolf One. (DW: Dalek)
Iris Wildthyme knew how to fly a helicopter. (BFIW: The Panda Invasion)
Helicopters frequently patrolled the area surrounding Gwen Cooper's house in Wales. This aroused her suspicions as she was in hiding but Rhys Williams passed it off as army practice.
Following "Miracle Day", an armed helicopter was sent to kill her but Gwen destroyed it with a rocket launcher after a short chase. (TW: The New World)